Your plant is a White Bird of Paradise or Strelitzia alba. It requires more light than you are providing in the photo. Keep it in front of and close to a moderately sunny window. Allow the top half-inch of soil to dry before watering. If the ceramic pot does not have a drain hole, you have to be very careful not to add too much water or otherwise, it will collect at the bottom and rot the roots.

Will Creed
Horticultural Help, NYC
www.HorticulturalHelp.com
Contact me directly at [email protected]
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I thought it was a bird of paradise at first but the leaves looked different to me. Could it be something else? There's a window right to the side of the ac:heat unit (which I never use- I'll move the plant if I turn it on). I had a fiddle fig here before but it died a horrible death :(